John Zhang

[BUG]go-redis driver does not set the Redis password correctly

1

**Describe the bug** https://github.com/kataras/iris/blob/4899fe95f47dfb8ce1f309c5ba267a7ecd0e08ba/sessions/sessiondb/redis/driver_goredis.go#L87-L89

[BUG]go-redis session.Clear() not work

1

**Describe the bug** https://github.com/kataras/iris/blob/4899fe95f47dfb8ce1f309c5ba267a7ecd0e08ba/sessions/sessiondb/redis/database.go#L275 Seems like `sid` needs to be prefixed(`makeSID(sid)`)?